J. D. Greene and J. M. Paxton, “Patterns of Neural Activity Associated with Honest and Dishonest Moral Decisions,” PNAS 106 (2009): 12506.
816
L. Pascual et al., “How Does Morality Work in the Brain? A Functional and Structural Perspective of Moral Behavior,” Front Integrative Nsci 7 (2013): 65.